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  • 丹姆德

    FHDREC9A


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    • a30.jpg

    FHDREC9A

    零件應在一個條件下(溫度:5~35℃,濕度:45%~85%R.H.,大氣壓:860~1060hPa)進行測量,除非調節標準條件(溫度:25±3℃,濕度為60±10%R.H.大氣壓:860~1060hPa)來進行測量。


    所屬分類: 耳機喇叭
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    關鍵詞:蜂鳴器 | 喇叭| 物化片

    產品描述

    1.SPECIFICATION
    Speaker

    1

    Dimension

    Φ9.2*H3.6

    2

    Impedance

    16±15%ohms

    3

    Rated Input Power

    3mW

    4

    Max Input Power

    5mW

    5

    Sound Pressure Level

    95±3dB SPL @1KHz (0dB SPL=20μPa)
    Input voltage: 179mV (Sine wave) measured with IEC318 coupler.

    6

    Distortion

    Less exceed≤5% 1mw/1kHz  For IEC318 coupler& ear cap.

    7

    Operating Temperature

    -25℃~+50℃

    8

    Store Temperature

    -25℃~+60℃

     

    2.Dimensions Unit: mm

    *Unit: mm; Tolerance: ±0.3mm Except Specified

     

    3.Reliability Test 可靠性測試

     

    3.1

    High  Temperature  Test

    High  Temperature:   +60℃±5℃
    Duration :            96 hours

    3.2

    Low Temperature  Test

    Low  Temperature:    -25℃±5℃
    Duration :             96 hours

    3.3

    Humidity  Test

    Temperature:         +40℃±5℃
    Relative  humidity:    90%~95% RH
    Duration :             96 hours

    3.4

    Vibration  Test

    Vibration:            10Hz~55Hz   
    Amplitude:           3.5mm or acceleration : 50m/s2
    Duration :            2h per axis=10cycles ; 3 axis

    3.5

    Temperature  Cycle  Test

    Temperature:         -25℃       +60℃
    Duration :            2hours  2hours
    Cycle:               10 Cycle

    3.6

    Drop  Test
    (under the unit)

    Height:              0.75m
    Cycle:               6 Cycles

    3.7

    Load  Test

    Noise:               White noise
    Power:               0.22V
    Duration:            96 hours and satisfy the test listed on item 05,08,14.

     

    4.Frequency Response 

    6.Response Curve

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